Uplink transmission method and apparatus

Abstract

This application discloses an indoor-outdoor determining-based uplink transmission method and apparatus. A terminal device or a positioning device determines whether the terminal device is located indoors or outdoors. The terminal device or the positioning device sends a first message to an access network device, where the first message includes a first information element, and the first information element indicates whether the terminal device is located indoors or outdoors. The access network device determines an access parameter of the terminal device based on the first information element, where the access parameter includes an access frequency. According to the method disclosed in embodiments of this application, uplink transmission of the terminal device in a proper frequency band is implemented, and communication interference is reduced.

What is claimed is: 
     
         1 . A method performed by an access network device, wherein the method comprises:
 receiving a first message that comprises a first location information element, and the first location information element indicates whether a terminal device is located indoors;   determining an access frequency of the terminal device based on the first location information element, the access frequency for use by the terminal device during uplink access, wherein:
 if the first information element indicates that the terminal device is located indoors, the determined access frequency is a supplementary uplink (SUL) frequency, and 
 if the first information element indicates that the terminal device is located outdoors, the determined access frequency is a frequency other than the SUL frequency; and 
   sending a parameter to the terminal device, the parameter indicating to the terminal device the determined access frequency.   
     
     
         2 . The method according to  claim 1 , wherein the first location information element comprises an indoor recognition result. 
     
     
         3 . The method according to  claim 2 , wherein the indoor recognition result corresponds to a first identification. 
     
     
         4 . The method according to  claim 2 , wherein the indoor recognition result corresponds to a default. 
     
     
         5 . The method according to  claim 1 , wherein the first location information element represents recognition confidence, and comprises a percentage or a value of the recognition confidence. 
     
     
         6 . The method according to  claim 1 , wherein the access network device sends a request message to the terminal device or a positioning device, to request to obtain the first location information element. 
     
     
         7 . An access network device comprising at least one processor coupled to a memory comprising instructions, wherein the processor is configured to execute the instructions to perform the following steps:
 receiving a first message that comprises a first location information element, and the first location information element indicates whether a terminal device is located indoors;   determining an access frequency of the terminal device based on the first location information element, the access frequency for use by the terminal device during uplink access, wherein:
 if the first information element indicates that the terminal device is located indoors, the determined access frequency is a supplementary uplink (SUL) frequency, and 
 if the first information element indicates that the terminal device is located outdoors, the determined access frequency is a frequency other than the SUL frequency; and 
   sending a parameter to the terminal device, the parameter indicating to the terminal device the determined access frequency.   
     
     
         8 . The access network device according to  claim 7 , wherein the first location information element comprises an indoor recognition result. 
     
     
         9 . The access network device according to  claim 8 , wherein the indoor recognition result corresponds to a first identification. 
     
     
         10 . The access network device according to  claim 8 , wherein the indoor recognition result corresponds to a default. 
     
     
         11 . The access network device according to  claim 7 , wherein the first location information element represents recognition confidence, and comprises a percentage or a value of the recognition confidence. 
     
     
         12 . The access network device according to  claim 7 , wherein the steps further comprise sending a request message to the terminal device or a positioning device, to request to obtain the first location information element. 
     
     
         13 . A non-transitory computer-readable medium comprising instructions that, when executed by a processor, enable the processor to perform the following steps:
 receiving a first message that comprises a first location information element, and the first location information element indicates whether a terminal device is located indoors; and   determining an access parameter of the terminal device based on the first location information element, wherein the access parameter comprises an access frequency of the terminal device.   
     
     
         14 . The non-transitory computer-readable medium according to  claim 13 , wherein the first location information element comprises an indoor recognition result. 
     
     
         15 . The non-transitory computer-readable medium according to  claim 14 , wherein the indoor recognition result corresponds to a first identification. 
     
     
         16 . The non-transitory computer-readable medium according to  claim 14 , wherein the indoor recognition result corresponds to a default. 
     
     
         17 . The non-transitory computer-readable medium according to  claim 13 , wherein the first location information element represents recognition confidence, and comprises a percentage or a value of the recognition confidence. 
     
     
         18 . The non-transitory computer-readable medium according to  claim 13 , wherein the steps further comprise sending a request message to the terminal device or a positioning device, to request to obtain the first location information element.